Not a pattern but some info on the method she followed. Site in French; Google Translate does a decent job. Hexagon pattern link tracks back to Bunny Mummy, which does have a good tutorial on making these blocks.
Clutch de trapillo Boho-chic DIY T-shirt Yarn Clutch handmade by Santa Pazienzia
Ravelry : gabyv's Crochet bag. Fantastic bag ! Free pattern from Attic 24 and notes on this particular project for her change to the handles.